Ubuntu Networking :: How To Choose Which Of Three Ap's To Connect To - Same Ssid ?
Jun 16, 2010
I have three routers (linksys wrt54gl, ddwrt). I'm trying to use wds bridging, got two of them linked, but not the third. All three routers have the same SSID. I'm using Ubuntu 10.04 netbook remix.
My problem is I need to choose which of these my laptop connects to. Right now it connects to the one router which isn't playing nice with wds. I need it to connect to one of my other routers. I see the other signals using nm-tool, but they don't show in nm-applet. I created a connection in NetworkManager specifying the SSID + mac address of the correct router, but the tray applet doesn't show any options for connecting to manually configured networks, and I can't find any other useful app. I suppose I could rtfm for iwconfig et al, but Ubuntu ought to have an easier way.
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Jan 24, 2010
I access the internet through a hotspot with the SSID "OzoneBE.net Open Access". Unfortunately this hotspot is massively overused, and on top of that the signal is weak. There are other hotspots with the same SSID nearby. They have weaker signals, but it's possible they may not be so heavily used, or that I might be able to find a line of sight to one of them, so I would at least like to try connecting to them.
Unfortunately KNetworkManager doesn't give you any way of choosing between these different access points and it automatically selects the most powerful signal, as far as I can tell. RutilT can distinguish between them, but when you try to connect to the one you want, it seems that KNetworkManager intervenes and chooses the alternative with the strongest signal again. However if I kill KNetworkManager, RutilT just won't connect to anything. It fails without explanation.
How can I get proper control over my network management so that I can connect to the hotspot of my choosing, regardless of whether it shares an SSID with another?
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Oct 17, 2010
Wireless worked when I broadcasted the SSID, but now when I have hidden it it will not connect.
Edit: Enabled SSID broadcasting again, since hiding it means less security I read.
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May 6, 2010
I have just installed FC12 on my machine - and gone Windows free for the first time ever. Now I do use various flavours of Linux on a daily basis but not from an installation/sys admin point of view so my questions here may seem a little basic but pleas eindulge me if you will!
Now, my network connection works perfectly well under the following scenarios.
1) FC12, wired to router
2) FC12, wireless, SSID broadcast enabled
3) Ubuntu (laptop), wireless, SSID broadcast DISABLED
The only scenario that does not work is FC12, wireless with SSID broadcast disabled.
I can only assume that it is an issue with my USB modem (a linksys WUSB54GS) since the same set-up works fine from my laptop running Ubuntu with an internal wireless card.
Now, I know from reading the forums that it's pretty easy to get around a disabled SSID broadcast but this is an itch I just have to scratch....what the hell is causing this problem?
nm-tool ouput is as follows:
I have tried using wpa_supplicant but I am not sure which driver I am using here - is it ndiswrapper per chance?
(Driver: rndis_wlan)
How I can connect once again to my wireless router with SSID broadcast turned off.
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Nov 13, 2009
Installed 11.2 last night with KDE4. Using "Connect to other network" I could see all the private networks around, including my own.
Mine has an hidden SSID and WPA2-PSK security. Regardless of what I tried I couldn't connect. Both BSSID and password are correct (but there was no other choice than "WPA/WPA2 personal" under security).
So I go to work today and connect to an unsecure network with a visible SSID (and a lower signal quality) without any problems.
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Jul 2, 2010
I have a supported BCM4318 "EDUP" wireless card. I am very, very new to opensuse, 2 days old to be exact. However I can read, so I followed the instructions listed in the "Getting Your Wireless to Work" with no avail. It is really weird. I am using the network manager. When I right click on the tiny blue wireless bar down below I see both my network and my neighbors. I click on mine and it asks for my WEP key, I enter it and when I mouse over the icon it sayS that it is obtaining network address. If I click on it at this point it says activating. Then it says waiting for authorization. I have used the fwcutter to download the latest firmware. I have even used ndiswrapper to install from the Edup driver cd. No good! The other thing is, that I am running Ubuntu 9 on the same machine on the same network with the same card and it works.
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Jun 10, 2010
I am setting up a netbook with linux.I need to edit a file and must know my SSID. What is a SSID and what is it used for how do I find out what mine is?
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Sep 30, 2010
I've got openSUSE 11.3 running via liveUSB on a netbook and no matter how many times I try, I cannot get wireless to connect to my network.
My network is:
- non-broadcast
- WPA2 Personal
- G
The netbook is fairly recent from Asus and wireless works perfectly with Fedora 11 and Windows XP.
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Jan 13, 2010
I have an intel 3945ABG wireless card. I installed "firmware-iwlwifi" with apt-get but I cannot enter in my network's SSID and wep. On Gnome, I click system, preferences, and networking, and I get that nice network menu, but it doesn't do anything!
It detects my wireless and wired card. I click on wireless, enter in my ssid, click WEP (hexadecimal), enter in my code. I choose auto DHCP. Then in the terminal I type iwconfig. It shows "wlan0" but the SSID field is blank. The wired works but I can't get wireless.
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Feb 16, 2010
I was extraction some file through command line then I encounter on notification from winrar. This file exist what u want to do
replace
never
quite
I don't want that winrar will prompt me to choose action. Everytime whenever this situation occur it will overwrite / skip that file
Syntax I am using for unrar
rar e -pmypassword filename
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Oct 23, 2010
I'm not sure if this is a problem with Ubuntu or with my router(s).
When I first installed Ubuntu about 6 months ago, I was able to connect to my wireless network without any problems. Becaue it's a laptop, I turn it off when I'm not using it.
But, starting about a month ago, if I don't use my Ubuntu computer for a few days at a time, it won't "see" my broadcast SSID when I turn it on. The SSID for my network just doesn't show up on the list of SSIDs that it detects in the area (but it still detects other people's SSIDs).
If I connect Ubuntu to my wireless network every day, it will automatically connect to my network without a problem, but if I don't use my computer for a few days, then it stops being able to "see" my SSID.
In order to connect, I have to connect to my router from my hardwired Win 7 desktop PC via 192.168.1.1 and re-save the wireless settings without changing them (the router is set to broadcast my SSID). Then my Linux machine is able to see my SSID again and connect wirelessly.
The problem is obviously with the router, right? So I bought a new router, and have the exact same problem!So now I'm not sure any more if the problem is with Linux or with both routers.
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Feb 24, 2010
How do I choose a wireless network to connect to? The Ubuntu 8.10 help tells me to open NetworkManager, but the only thing I can find is 'Network Configuration' in System>Preferences. If I try to run NetworkManager in usr/sbin as a root, nothing happens whatsoever. nm-tool lists several available Access Points for my WiFi antenna.
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Jun 19, 2010
This Ubuntu desktop has 3 network interfaces:LAN eth0: ip address 192.168.3.6 gateway 192.168.3.1VPN tun1: ip address 192.168.7.4 gateway 192.168.7.1VPN tun2: ip address 192.168.9.2 gateway 192.168.9.1For Chrome or Firefox, by default the 192.168.3.1 gateway is used.How do I change this such that:I can manually choose the 192.168.9.1 or 192.168.7.1 or 192.168.3.1 gateway.From the command line.Before running Firefox/Chrome.Without re-configuring any network interfaces.So that ONLY Firefox and Chrome browsers are affected
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Aug 27, 2010
When I go to share a folder I do not have the option to select windows networks (SMB). Only the unix service.. I am running ubuntu 10.04
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May 30, 2011
I have wired connection Ethernet (eth0) and 3G connection GSM (ttyUSB0). Firefox uses eth0, but sometimes, I want Firefox to use ttyUSB0. How could I do that?
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Apr 29, 2009
I have somehow made 2 internet connections on my fedora 10. one is system default, which doesn't work. so I usually login and select from the top panel to the other working one. how to choose it from a terminal? then I can do it from a remote terminal.
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Mar 26, 2011
Summary of issue: You cannot connect to a wireless network with a hidden ssid, while using knetworkmanager.This leaves you with the choice of using ifup, yast which uses ifup but provides a gui for new users, etc. But thanks to glistwan helpful post there is a simple way to fix this issue, while continuing to use knetworkmanager.Step 1 Get the wireless name of the hidden network, for example we will be looking for "Tree".Tree is not on the list of courseStep 2 Open the Terminal and enter super user mode.
Code:
Lin@Lin1:~> su
Password:
[code]....
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Feb 28, 2011
I was trying to get the ssid of WLAN through the following C program
What is the cause of this error?
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Jan 24, 2016
I've been searching and trying to correct this problem for nigh on 12 hours. I would like to note that I know that hidden SSID are not necessarily much more secure. I have no permission to change the settings where I am. I'm running Debian Jessie. I have no way to get the server a connection other than the WiFi dongle I'm using. I have installed the correct WPA_Supplicant and Wireless Tools for my architecture/distro/version. I also have solved a sub-problem I had earlier; that the drivers for my WiFi dongle come with the kernel, but the firmware does not. That was remedied.
I can see my SSID in my iwlist scan. (iwlist scan | grep ESSID). My current /etc/network/interfaces looks like this:
Code: Select allauto wlan0
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
My current /etc/wpa_supplicant/wpa_supplicant.conf looks like this:
Code: Select allnetwork={
ssid="hundley_1"
psk=HashedPSK
scan_ssid=1
}
The original .conf was created by using wpa_passphrase "hundley_1" PASSWORD >
/etc/wpa_supplicant/wpa_supplicant.conf I know for a fact that the security key is correct. I edited the .conf produced to what it is now.
Usign ifup wlan0 and ifdown wlan0 to start and restart the connection yields an error. The gist of the error is:
NO DHCPOFFERS recieved
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Jul 25, 2010
I'm trying to install Debian via the net install CD and it kept asking me for my WiFi SSID and password instead of using the Ethernet chip which uses the tg3 driver. I took out the WiFi chip and the installer kept asking me which driver to use. I kept selecting tg3 but it wouldn't accept it. The tg3 driver has been in the kernel tree since early 2007. So what's up?
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Feb 19, 2011
I just installed OpenSuSE 11.3 on an old IBM T20 I had kicking around and I'm using a Proxim Wireless PCMCIA Card (Atheros AR5001X). Since this laptop does not have a DVD drive I installed the system using the Netboot CD and have the SuSE 11.3 ISO on an NFS/SAMBA file server. The issues appeared after the first reboot, the adapter no longer worked. I resorted to using the wired interface to finish the install.
Once the system was up followed the trouble shooting steps outlined in various places and found the ESSID is not being picked up by the ifup scripts. Not sure if it matters but I have ESSID broadcasts turned off on all my WAPs.
The ESSID is in ifcfg-wlan0. To get wireless working I have to manually issue iwconfig wlan0 essid "xxxx"..
Both networkmanager and ifup fail..
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Apr 4, 2016
I'm running Debian testing. I am running the iwlwifi driver and I have an Intel Centrino Wireless-N 1000 card. I have a fresh install of iwlwifi and network-manager. After sleep or after being shutdown, network manager cannot find my network's SSID. I have to wait ~5 minutes for it list my SSID. I dual boot this laptop with Windows 7, and on Windows, I connect to the internet instantly after boot. I did not have this issue before, the only thing I have changed was installing blueman and the necessary components. After I installed and uninstalled these bluetooth components, I have been getting these problems. Here are some outputs:
iwconfig:
Code: Select alleth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"Dotcom"
Mode:Managed Frequency:2.462 GHz Access Point: 14:AB:F0:3D:DC:20
Bit Rate=81 Mb/s Tx-Power=14 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
[Code] .....
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Aug 3, 2010
using ndiswrapper for a usbwlan device. Configured and modprobe ndiswrapper confirmed working. When I 'iwlist wlan0 scan'I get cell (wifi network) profiles including my own and several of the neighbours - all showing ssid name and whether key managed or not. When I 'wicd-client' this shows my network as hidden. What makes it even stranger is that wicd-client shows all the neighbours network ssid. Check to see if my router is broadcasting ssid and is without a doubt. I have tried to connect to my router via CLI commands (iwconfig) but unable to connect as is wicd-client - will update with log files on this soon.
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Jun 12, 2010
My wireless (Toshiba laptop, 10.04 64 bit) is just hanging when trying to connect. It was working fine but now nothing. My Wireless antennae is on and my other laptop can connect with no problems. I have restarted the router and the laptop twice.
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Nov 2, 2010
I am unable to connect to wireless network in ubuntu 10.10.i have noticed that the iwlagn driver isnt been used by anything.
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Jan 10, 2011
in linux world and have recently downloaded and installed ubuntu desktop 10.10i cannot connect to both wired and wireless ethernet on my laptopit tries to connect but fails in 30 seconds , it says"disconnected" while i am able to connect to the same in windows i have broadcom 4315 and i have tried both fwcutter and ndiswrapper but the problem persiststhe device id is 14e4:4315
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Apr 6, 2011
I am trying to setup a dhcp server for my internal network. I have two NICs, a modem, and a wireless router. I have my server connected directly to my modem which is providing me with Internet access on eth1 and is working fine. I have dhcp and dns setup on eth0 which is connected to my router. The router shows that it is connected to the Internet but when the router gives a client computer an IP address, the client is unable to connect to the Internet but can connect to the router. I will post my configuration files below with my current configuration.
[Code]....
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Aug 8, 2011
I can connect to the internet through wifi, but I cannot connect to anything on my network. I have a printer and a NAS, so I would really like for this to work again. I have a dell laptop with a Broadcom card.
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Aug 15, 2010
I had put my computer on standby and when i restarted it, it powered off within a few seconds. I turned it back on and after that i've lost connectivity to internet on Ubuntu 10.04.
However I have VMware (XP) installed and internet/network works on that. I'm a newbie with Linux.
Here are some outputs:
I have tried to edit the connection using System>Preferences>Network Connections. I entered manual settings for IPV4, but whatever i enter there, it doesnt get reflected when i type ifconfig in the terminal window. I tried setting it to Automatic DHCP as well. Doesnt work.
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May 3, 2011
I can not connect to wifi networks, i can see them but not connect.
My wifi device is:
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